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Valve Seat NSN 4820-00-311-5020

Item Description

A replaceable item designed to provide a stationary seating surface for a mating, moveable item such as a valve disk or the like. The body may have a flange of various shapes. For diesel and gasoline reciprocating engines, see insert, engine valve seat.

NSN 4820-00-311-5020 NSN: 4820-00-311-5020

Features and Characteristics

Flange Diameter
Between 0.625 inches and 0.635 inches
Body Outside Diameter
0.471 inches
Body Inside Diameter
Between 0.207 inches and 0.217 inches
Flange Seat To Disk End Height
0.128 inches
Under Flange Height
0.312 inches
Seating Surface Shape
Flat
Material
Steel
Material Specification
Qq-s-763 federal specification single material response
Surface Treatment
Passivate
Style Designator
Plain flanged
FSC
4820 Nonpowered Valves
NIIN
003115020
NSN
4820003115020

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
29046
Cage Code:
99643
Status:
A
MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov
  • Schedule B Number: 8481909090
  • NAICS: 332911
  • SITC: 74790
  • Description: Parts of taps, cocks, valves and similar appliances, nesoi
  • End Use (Code 21180):
    Industrial machines, other

Q & A

Frequently asked questions for NSN 4820-00-311-5020
What are the manufacturers of nsn 4820003115020?
Does this nsn 4820003115020 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820003115020
A replaceable item designed to provide a stationary seating surface for a mating, moveable item such as a valve disk or the like. the body may have a flange of various shapes. for diesel and gasoline reciprocating engines, see insert, engine valve seat.
Does nsn 4820003115020 contain any precious metals?
Precious metal content is unknown.
Does nsn 4820003115020 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820003115020?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
22113
FIIG:
A15500
App. Key:
A
Cond. Code:
2
Status:
A

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  •   On Time Delivery
  •   Certificate of Conformance
  •   Quality Inspected Parts
  •   Quality Fast Service
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